Tag Axle

What is a tag axle? Pro and cons?

Thanks

Bert

A " Tag Axle" is in this case a non driven (non powered) axle used to distribute load (weight).

Doesn't have anything to do with that at all. They are generally used to avoid an overweight situation, either weight per axle or to avoid loading a tire past it's load rating.

Generally you will find them as an extra axle used only to carry weight that a single driven axle can not carry without being overloaded. If you encounter single wheels on tandem axles in a motorhome or truck, run the other way. It is an indication of a poor design, and will result in much poorer than average tire wear. You would be much better off with duals on one axle, if at all possible.

Thank you for your in-depth and obviously knowledgeable response. I will attempt to pick you brain yet again. Here are the details of the bus as I know them. Ford 1994 Supreme

Fortunately,

I've seen a few vans / busses / whatever set up exactly that way. Airport shuttle vans and similar uses - stretched frame and full of seats. Kinda common.

Fortunately,

The powerstroke became available on 1994 models. Early 1994 saw the naturally aspirated 7.3. Mid model year they introduced the turboed version which was indirectly injected. During the later part of the model year, the Powerstroke was introduced. It was basically the same as the turboed engine but had direct injection.

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